Collective Sense : We use Rust to implement data collectors and processors in our network monitoring and security analysis software. Our product needs to be both secure and extremely fast which makes Rust a perfect fit.

Shiftleft : ShiftLeft is a Silicon Valley startup employing innovative techniques to bring clarity and rigor to the security space. Our bespoke runtime security agent is written in Rust.

Tocco AG : Tocco is a Switzerland based company specialized in ERP software that has been using Rust with great enthusiasm for many of its internal tools.

Pressjitsu Inc : Pressjitsu is a managed WordPress hosting and service company. We use Rust in a handful of our backend systems, including logging routing and aggregation which needs to be fast and scalable.